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A 2004 College Board study found that bachelor's degree holders earn 62 percent more per year than those with only a high school diploma. Those with doctoral degrees earned over 300 percent more.

Obviously it pays to earn a doctoral degree--perhaps even more now than before. Education administrator jobs, which are often sought by doctoral degree graduates, are expected to be plentiful in the coming years. And postsecondary teaching jobs are projected to grow by a whopping 23 percent between 2006 and 2016, according to the U.S. Bureau of Labor Statistics. Learn more about pursuing your doctoral degree here

Colleges around the country are experiencing a surge in enrollments, in large part due to the economy. Returning students, many of them displaced due to layoffs, hope to make themselves more desirable to employers.

Returning to school makes sense for other reasons, too.

1. Even if you're still employed, technology has changed many career fields. Returning to school to get up-to-date training in your field makes you more valuable at work
You'll have an opportunity to network with potential employers on campus
Being a student gives you access to campus resources, such as career centers, where you can find available positions, or hone your resume and interviewing skills
3. Utilize social networking Web sites like LinkedIn to establish contacts and gain introductions

Read about the top 5 reasons you should go back to school.

Having trouble figuring out which career is right for you? Get a FREE Career Analysis using the RocketCareer Assessment. After completing the career analysis, you'll be shown the top 11-20 jobs that likely to succeed in, including 5 free job matches.

If you've completed a college degree, simply listing it on a resume isn't enough. In that all-important interview, you might be asked to explain how that education has prepared you to do the job.

With a high national unemployment rate of 9.5 percent and a job search that may take months, you'll need every advantage you can get, and being able to explain how your skills can be of use is critical. Check out this one-minute video tip to learn how to address this tough interview question.

Watch More, Learn More

We've got over 60 job tip videos. See them all here.

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